Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1974-06-19
1976-01-13
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264151, 264163, 425DIG212, B29C 1707, B29C 1714
Patent
active
039325725
ABSTRACT:
Plastic is cleanly severed between closely adjacent inner sections of radially operable blow molds in a rotary molding machine during mold opening by means of a wiper blade on the trailing face of the inner section of one mold angularly projecting toward and having its rear edge engaging the forward face of the next succeeding inner mold section, each such inner section being spring mounted and arranged because of the mold-opening cam configuration, to spring outwardly such that the rear edge of the blade slides along the forward face of the succeeding mold to consistently shear the plastic between such edge and such forward face.
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patent: 3457591 (1969-07-01), Szajna
patent: 3488803 (1970-01-01), Cote
patent: 3585682 (1971-06-01), Martelli
patent: 3741705 (1973-06-01), Duikers
patent: 3752629 (1973-08-01), Gordon
patent: 3763297 (1973-10-01), Del Piero et al.
patent: 3777609 (1973-12-01), Michel et al.
patent: 3785761 (1974-01-01), Logomasini et al.
Avery Michael J.
Martino Lawrence A.
Monsanto Company
Murphy Michael J.
Silbaugh Jan H.
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